WMTheme: support macOS

Author: CarterLi

README.md

@@ -44,7 +44,7 @@ The following libraries are used if present at runtime:
 * [`libXFConf`](https://gitlab.xfce.org/xfce/xfconf): Needed for XFWM theme and XFCE Terminal font.
 * [`libsqlite3`](https://www.sqlite.org/index.html): Needed for pkg & rpm package count.
 * [`librpm`](http://rpm.org/): Slower fallback for rpm package count. Needed on openSUSE.
-* [`libplist`](https://github.com/libimobiledevice/libplist): Binary `plist` file parser. Needed for iTerm2 Terminal font.
+* [`libplist`](https://github.com/libimobiledevice/libplist): Binary `plist` file parser ( macOS ). Needed for iTerm2 Terminal font and WM Theme.
 
 ## Support status
 All categories not listed here should work without needing a specific implementation.

src/modules/wmtheme.c

@@ -229,6 +229,87 @@ static void printOpenbox(FFinstance* instance, const FFstrbuf* dePrettyName)
     ffStrbufDestroy(&absolutePath);
 }
 
+#ifdef FF_HAVE_LIBPLIST
+#include "common/library.h"
+#include "common/io.h"
+#include <plist/plist.h>
+
+static const char* quartzCompositorParsePlist(FFinstance* instance, const FFstrbuf* content, FFstrbuf* theme) {
+    FF_LIBRARY_LOAD(libplist, &instance->config.libplist, "dlopen libplist failed", "libplist-2.0"FF_LIBRARY_EXTENSION, 2);
+    FF_LIBRARY_LOAD_SYMBOL_MESSAGE(libplist, plist_is_binary);
+    FF_LIBRARY_LOAD_SYMBOL_MESSAGE(libplist, plist_from_bin);
+    FF_LIBRARY_LOAD_SYMBOL_MESSAGE(libplist, plist_from_xml);
+    FF_LIBRARY_LOAD_SYMBOL_MESSAGE(libplist, plist_dict_get_item);
+    FF_LIBRARY_LOAD_SYMBOL_MESSAGE(libplist, plist_get_string_ptr);
+    FF_LIBRARY_LOAD_SYMBOL_MESSAGE(libplist, plist_get_uint_val);
+    FF_LIBRARY_LOAD_SYMBOL_MESSAGE(libplist, plist_free);
+
+    plist_t root_node = NULL;
+    if (ffplist_is_binary(content->chars, content->length))
+        ffplist_from_bin(content->chars, content->length, &root_node);
+    else
+        ffplist_from_xml(content->chars, content->length, &root_node);
+
+    if(root_node == NULL)
+        return "parsing Quartz Compositor preference file failed";
+
+    plist_t pWmThemeColor = ffplist_dict_get_item(root_node, "AppleAccentColor");
+    uint64_t wmThemeColor = 100;
+    if (pWmThemeColor != NULL)
+        ffplist_get_uint_val(pWmThemeColor, &wmThemeColor);
+    switch (wmThemeColor)
+    {
+        case (uint64_t)-1: ffStrbufAppendS(theme, " (Graphite)");
+        case 0: ffStrbufAppendS(theme, "Red"); break;
+        case 1: ffStrbufAppendS(theme, "Orange"); break;
+        case 2: ffStrbufAppendS(theme, "Yellow"); break;
+        case 3: ffStrbufAppendS(theme, "Green"); break;
+        case 5: ffStrbufAppendS(theme, "Purple"); break;
+        case 6: ffStrbufAppendS(theme, "Pink"); break;
+        default: ffStrbufAppendS(theme, "Blue"); break;
+    }
+
+    plist_t pWmTheme = ffplist_dict_get_item(root_node, "AppleInterfaceStyle");
+    ffStrbufAppendF(theme, " (%s)", pWmTheme != NULL ? ffplist_get_string_ptr(pWmTheme, NULL) : "Light");
+
+    ffplist_free(root_node);
+    return NULL;
+}
+
+static void printQuartzCompositor(FFinstance* instance) {
+    FFstrbuf fileName;
+    ffStrbufInitS(&fileName, instance->state.passwd->pw_dir);
+    ffStrbufAppendS(&fileName, "/Library/Preferences/.GlobalPreferences.plist");
+
+    FFstrbuf content;
+    ffStrbufInit(&content);
+    ffAppendFileBuffer(fileName.chars, &content);
+    ffStrbufDestroy(&fileName);
+    if(content.length == 0)
+    {
+        ffPrintError(instance, FF_WMTHEME_MODULE_NAME, 0, &instance->config.wmTheme, "reading Quartz Compositor preference file failed");
+        ffStrbufDestroy(&content);
+        return;
+    }
+
+    FFstrbuf theme;
+    ffStrbufInit(&theme);
+    const char* error = quartzCompositorParsePlist(instance, &content, &theme);
+    ffStrbufDestroy(&content);
+
+    if(error != NULL)
+        ffPrintError(instance, FF_WMTHEME_MODULE_NAME, 0, &instance->config.wmTheme, "%s", error);
+    else
+        printWMTheme(instance, theme.chars);
+}
+#else
+static void printQuartzCompositor(FFinstance* instance)
+{
+    FF_UNUSED(instance);
+    ffPrintError(instance, FF_WMTHEME_MODULE_NAME, 0, &instance->config.wmTheme, "Fastfetch was compiled without libplist support");
+}
+#endif
+
 void ffPrintWMTheme(FFinstance* instance)
 {
     #ifdef __ANDROID__
@@ -261,6 +342,8 @@ void ffPrintWMTheme(FFinstance* instance)
         printWMThemeFromSettings(instance, "/org/mate/Marco/general/theme", "org.mate.Marco.general", NULL, "theme");
     else if(ffStrbufIgnCaseCompS(&result->wmPrettyName, "Openbox") == 0)
         printOpenbox(instance, &result->dePrettyName);
+    else if(ffStrbufIgnCaseCompS(&result->wmPrettyName, "Quartz Compositor") == 0)
+        printQuartzCompositor(instance);
     else
         ffPrintError(instance, FF_WMTHEME_MODULE_NAME, 0, &instance->config.wmTheme, "Unknown WM: %s", result->wmPrettyName.chars);
 }

src/util/FFstrbuf.c

@@ -29,6 +29,14 @@ void ffStrbufInitCopy(FFstrbuf* strbuf, const FFstrbuf* src)
     ffStrbufAppend(strbuf, src);
 }
 
+void ffStrbufInitS(FFstrbuf* strbuf, const char* str)
+{
+    uint32_t bufSize = (uint32_t)strlen(str) + 1;
+    ffStrbufInitA(strbuf, FASTFETCH_STRBUF_DEFAULT_ALLOC > bufSize ? FASTFETCH_STRBUF_DEFAULT_ALLOC : bufSize);
+    memcpy(strbuf->chars, str, bufSize);
+    strbuf->length = bufSize - 1;
+}
+
 uint32_t ffStrbufGetFree(const FFstrbuf* strbuf)
 {
     if(strbuf->allocated == 0)

src/util/FFstrbuf.h

@@ -24,6 +24,7 @@ typedef struct FFstrbuf
 void ffStrbufInit(FFstrbuf* strbuf);
 void ffStrbufInitA(FFstrbuf* strbuf, uint32_t allocate);
 void ffStrbufInitCopy(FFstrbuf* strbuf, const FFstrbuf* src);
+void ffStrbufInitS(FFstrbuf* strbuf, const char* str);
 
 void ffStrbufEnsureFree(FFstrbuf* strbuf, uint32_t free);